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If the cost function is C(x) = 5x^2 + 20x + 100, find the minimum cost. (2020)

Practice Questions

1 question
Q1
If the cost function is C(x) = 5x^2 + 20x + 100, find the minimum cost. (2020)
  1. 100
  2. 120
  3. 140
  4. 160

Questions & Step-by-step Solutions

1 item
Q
Q: If the cost function is C(x) = 5x^2 + 20x + 100, find the minimum cost. (2020)
Solution: The minimum cost occurs at x = -b/(2a) = -20/(2*5) = -2. C(-2) = 5(-2)^2 + 20(-2) + 100 = 120.
Steps: 0

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